<?php

class SiteController extends Controller
{
	/**
	 * Declares class-based actions.
	 */
	public function actions()
	{
		return array(
		// captcha action renders the CAPTCHA image displayed on the contact page
			'captcha'=>array(
				'class'=>'CCaptchaAction',
				'backColor'=>0xFFFFFF,
		),
		// page action renders "static" pages stored under 'protected/views/site/pages'
		// They can be accessed via: index.php?r=site/page&view=FileName
			'page'=>array(
				'class'=>'CViewAction',
		),
		);
	}

	/**
	 * This is the default 'index' action that is invoked
	 * when an action is not explicitly requested by users.
	 */
	public function actionIndex()
	{
		$model=new LoginForm;

		// if it is ajax validation request
		if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}

		// collect user input data
		if(isset($_POST['LoginForm']))
		{
			$model->attributes=$_POST['LoginForm'];
			// validate user input and redirect to the previous page if valid
			if($model->validate() && $model->login())
			$this->redirect(Yii::app()->user->returnUrl);
		}
		// display the login form
		$this->render('index',array('model'=>$model));	}

		/**
		 * This is the action to handle external exceptions.
		 */
		public function actionError()
		{
			if($error=Yii::app()->errorHandler->error)
			{
				if(Yii::app()->request->isAjaxRequest)
				echo $error['message'];
				else
				$this->render('error', $error);
			}
		}

		/**
		 * Displays the login page
		 */
		public function actionLogin()
		{
			$model=new LoginForm;

			// if it is ajax validation request
			if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')
			{
				echo CActiveForm::validate($model);
				Yii::app()->end();
			}

			// collect user input data
			if(isset($_POST['LoginForm']))
			{
				$model->attributes=$_POST['LoginForm'];
				// validate user input and redirect to the previous page if valid
				if($model->validate() && $model->login())
				$this->redirect(Yii::app()->user->returnUrl);
			}
			// display the login form
			$this->render('login',array('model'=>$model));
		}

		/**
		 * Logs out the current user and redirect to homepage.
		 */
		public function actionLogout()
		{
			Yii::app()->user->logout();
			$this->redirect(Yii::app()->homeUrl);
		}
}